Three Pillars of Low Acid Coffee: Part 1 - Altitude

Three Pillars of Low Acid Coffee: Part 1 - Altitude

LETT us talk about the origin of low-acid coffee!

Altitude plays a crucial role in coffee cultivation, as the environmental conditions at different elevations can significantly influence the characteristics of the coffee beans. Generally, higher altitudes are associated with cooler temperatures, lower air pressure, and increased exposure to sunlight. These factors create a unique growing environment that affects coffee development, including its acidity.

High Altitude Coffee and Acidity Coffee grown at higher altitudes, typically above 4,000 feet (1,200 meters) or higher, tends to have higher acidity levels. The cooler temperatures and extended maturation period at these elevations allow the coffee cherries to develop more complex flavours and retain their natural acidity. The slower growth process results in beans with higher levels of organic acids, such as malic acid and citric acid, which contribute to the bright and vibrant acidity often associated with speciality coffees.

Low Altitude Coffee and Acidity Conversely, coffee grown at lower altitudes, typically below 4,000 feet (1,200 meters), tends to have lower acidity levels. The warmer climates and faster maturation process at these elevations can lead to beans with less pronounced acidity. The sugars in the cherries may fully develop and mask some of the natural acidity, resulting in a more mellow and balanced flavour profile.

Moderate Altitude Coffee and Acidity Coffee grown at moderate altitudes, usually between 2,000 to 4,000 feet (600 to 1,200 meters), falls somewhere in between high and low-altitude coffee in terms of acidity. The balance of temperature and maturation time at these elevations can produce coffees with a moderate level of acidity, offering a pleasant compromise between the two extremes.

Factors Beyond Altitude While altitude is a significant contributing factor to coffee acidity, it is important to note that other variables, such as coffee variety, soil composition, and processing methods, also influence the final flavour profile of the coffee. These factors interact with altitude to create a complex and nuanced taste experience.

Conclusion The altitude at which coffee is grown has a notable impact on its acidity levels. Higher altitudes generally result in beans with higher acidity, while lower altitudes tend to produce coffee with lower acidity. However, it is essential to recognise that coffee flavour is influenced by a combination of factors, and altitude is just one piece of the puzzle. Exploring coffees from various altitudes allows coffee enthusiasts to appreciate the diverse range of flavours and acidity profiles that this extraordinary beverage has to offer.

Back to blog